MIC28303 Overview
Micrel’s MIC28303 is synchronous step-down regulator module, featuring a unique adaptive ON-time control architecture. The module incorporates a DC/DC controller, power MOSFETs, bootstrap diode, bootstrap capacitor and an inductor in a single package. The MIC28303 operates over an input supply range from 4.5V to 50V and can be used to supply up to 3A of output current.
MIC28303 Key Features
- Easy to use
- Stable with low-ESR ceramic output capacitor
- No pensation and no inductor to choose
- 4.5V to 50V input voltage
- Single-supply operation
- Power Good (PG) output
- Low radiated emission (EMI) per EN55022, Class B
- Adjustable current limit
- Adjustable output voltage from 0.9V to 24V
- 200kHz to 600kHz, programmable switching frequency
